Thanks for both of those replies. And I hope to keep hearing from others also.
Kitty, you are right I never would have thought of St. Bernards but it sounds like you have had great success with them.
Imissmygirls, I had frankly never even heard of the Black Russian Terrier but I looked them...
I would like to hear from anyone who has ever used the Ovtcharka (aka Caucasian Mountain Dog, Caucasian Ovtcharka, Caucasian Shepherd Dog, etc.) as a Livestock Guardian Dog. How well did they do with various types of livestock? How did they compare with other types of LGD's that you have had...
Try Muscovy Ducks. If you have too many flies--what you really have is shortage of Muscovies. They are also great fliers and large enough that they are less inviting to some of the flying predators. And they are the most tasty of ducks. Silky breast meat that is sometimes compared to veal...